Unfortunately, the card from the box does not work. I've already checked it out. This card has a U1 speed, which I think is not enough. You can see the speed marked on the top panel of the card. Try step 2 on your sandisk (panasonic formater + disc genius fat32) if it has U3 speed.

I am thrilled to be a member of the club! The device is simple and portable, with a clear and dynamic sound signature. Pure love. For new users who struggling with SD card reading and incorrect track order, I have some tips that I developed from my years of experience with non-android daps...